/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.ufreedom.demo;

import ohos.agp.window.service.Display;
import ohos.agp.window.service.DisplayAttributes;
import ohos.agp.window.service.DisplayManager;
import ohos.app.Context;

import java.util.Optional;

/**
 * 尺寸转换
 *
 * @author UFreedom
 * @since 2021-03-31
 */
public final class UiUtils {
    private UiUtils() {
    }

    /** px转换成dip
     *
     * @param context
     * @param dp
     * @return 转换后的数据
     */
    public static int dip2px(Context context, float dp) {
        Optional<Display> display = DisplayManager.getInstance().getDefaultDisplay(context);
        DisplayAttributes displayAttributes = display.get().getAttributes();
        return Math.round(displayAttributes.scalDensity * dp);
    }

    /** 获取屏幕宽度
     *
     * @param context
     * @return 屏幕宽度
     */
    public static int getScreenWidth(Context context) {
        Optional<Display> display = DisplayManager.getInstance().getDefaultDisplay(context);
        DisplayAttributes displayAttributes = display.get().getAttributes();
        return displayAttributes.width;
    }
}
